Home / 488,656,754.36-732,985,267.50-143,610,362.36

Finding the Fourth Proportional to 488,656,754.36, 732,985,267.50 and 143,610,362.36

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Solution

The fourth proportional to 488,656,754.36, 732,985,267.50 and 143,610,362.36 is: 215,415,583.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,656,754.36 : 732,985,267.50 = 143,610,362.36 : x
  2. Step 2: Convert to fraction form
    488,656,754.36/732,985,267.50 = 143,610,362.36/x
  3. Step 3: Cross multiply
    488,656,754.36x = 732,985,267.50 × 143,610,362.36
  4. Step 4: Simplify right side
    488,656,754.36x = 105,264,279,870,216,544
  5. Step 5: Solve for x
    x = 105,264,279,870,216,544/488,656,754.36
  6. Step 6: Final answer
    x = 215,415,583.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.